Methylol beta, beta&#39;-iminodipropionic acid



Patented Oct. 12, 1943 UNITED STATES PATENT OFFICE METHYLOL apiiififiiirnor omc non) 1 Roy S. Hanslick, Philadelphia, Pa.,

American Cyanamid Company,

assignor to New York,

N. Y., a corporationof Maine No Drawing. Application October 27, 1942,Serial No. 463,552

1 Claim. (CL 260 -534) The present invention relates to methylol p, ,8-iminodipropionic acid, a new compound which is of particular interest asan intermediate in the preparation of nitrogen-containing resins.

The following example, in which the parts are by weight, illustrates aspecific method of preparing the above compound in accordance with theinvention.

Example 161 parts of 18, fl'-iminodipropionic acid were added to 30parts of formaldehyde (using a 37% formaldehyde solution). The clearsolution was allowed to stand several hours at room tempera- ROY s.HANSLICK.

described with

